Head-to-head
Pick two athletes to see how the race played out between them — by actual time, head start, and checkpoint.
Athlete A
OfficialDavid A Smith
#404 · 1:18:31 · M58 · Group P · INV
Wave start 8:15 AM (P-INV)
Athlete B
OfficialWilliam R Yeager
#403 · 1:11:26 · M43 · Group X · INV
Wave start 8:22 AM (X-INV)
Comparison report
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The PDF includes the interpretation, deltas, race timeline, position-through-the-course chart, and segment-by-segment splits shown below.
Interpretation
David (P-INV) started at 8:15 AM; William (X-INV) started at 8:22 AM. That gave David a 7 minutes head start on William. On foot, David ran 1:18:31 and William ran 1:11:26 — William was 7:05 faster than David. David took official place 404th (time-based 594th) and William took official place 403rd (time-based 368th). William was faster on foot and finished ahead on the official clock too. Biggest swing: William gained 3:07 from Muir Woods to Cardiac.
Deltas
ComputedWave start
David A Smith (P-INV) started 7 min earlier than William (X-INV).
- Overall place Δ
- +1
- Actual time Δ
- +7:05
- Section gap Δ
- ±0 (same section)
- Wave start Δ
- 7 min (David earlier)
- Finish clock Δ
- +0:05
- Section place Δ
- -2
Δ = David − William. Negative means David is ahead/faster.
Race timeline
Computed- David (P-INV) started at 8:15 AM.
- William (X-INV) started at 8:22 AM, 7:00 later.
- Actual running time: William was 7:05 faster on foot than David.
- Finish clock: William crossed the line 0:05 ahead of David — William wins this head-to-head.
Δ (A − B): actual +7:05 · finish clock +0:05.
Position through the course
OfficialSegment-by-segment splits
Official| Segment | David | William | Δ |
|---|---|---|---|
| Start to Top of Stairs | 9:14 | 8:10 | +1:04 |
| Stairs to Windy Gap | 6:45 | 6:11 | +0:34 |
| Windy Gap to Muir Woods | 6:35 | 5:39 | +0:56 |
| Muir Woods to Cardiac | 29:56 | 26:49 | +3:07 |
| Cardiac to White Gate | 16:01 | 15:22 | +0:39 |
| White Gate to The Stile | 7:54 | 7:17 | +0:37 |
| The Stile to Finish | 2:06 | 1:58 | +0:08 |
Δ negative = David ran the segment faster.